package org.example.device.protocol;

import org.springframework.stereotype.Component;

import java.util.HashMap;
import java.util.Map;

/**
 * WebSocket设备协议实现
 * 用于WebSocket协议的智能设备通信
 */
@Component
public class WebSocketDeviceProtocol implements DeviceProtocol {
    
    private static final String PROTOCOL_TYPE = "WEBSOCKET";
    private boolean initialized = false;
    
    @Override
    public ProtocolResult sendCommand(Long deviceId, String command, Map<String, Object> parameters) {
        if (!initialized) {
            return ProtocolResult.failure("WebSocket协议未初始化", "PROTOCOL_NOT_INITIALIZED");
        }
        
        try {
            // 构建WebSocket消息
            Map<String, Object> message = new HashMap<>();
            message.put("deviceId", deviceId);
            message.put("command", command);
            message.put("parameters", parameters);
            message.put("timestamp", System.currentTimeMillis());
            
            // 这里应该通过WebSocket发送消息到设备
            // 实际实现中需要维护WebSocket连接池
            System.out.println("发送WebSocket命令到设备 " + deviceId + ": " + message);
            
            return ProtocolResult.success("WebSocket命令发送成功", message);
        } catch (Exception e) {
            return ProtocolResult.failure("WebSocket命令发送失败: " + e.getMessage(), "WEBSOCKET_SEND_ERROR");
        }
    }
    
    @Override
    public ProtocolResult getDeviceStatus(Long deviceId) {
        if (!initialized) {
            return ProtocolResult.failure("WebSocket协议未初始化", "PROTOCOL_NOT_INITIALIZED");
        }
        
        try {
            // 这里应该通过WebSocket请求设备状态
            // 实际实现中需要订阅设备状态消息
            System.out.println("获取设备 " + deviceId + " 的WebSocket状态");
            
            // 模拟返回设备状态
            Map<String, Object> status = new HashMap<>();
            status.put("online", true);
            status.put("status", 1);
            status.put("timestamp", System.currentTimeMillis());
            
            return ProtocolResult.success("设备状态获取成功", status);
        } catch (Exception e) {
            return ProtocolResult.failure("获取设备状态失败: " + e.getMessage(), "WEBSOCKET_STATUS_ERROR");
        }
    }
    
    @Override
    public ProtocolResult checkConnection(Long deviceId) {
        if (!initialized) {
            return ProtocolResult.failure("WebSocket协议未初始化", "PROTOCOL_NOT_INITIALIZED");
        }
        
        try {
            // 检查WebSocket连接状态
            System.out.println("检查设备 " + deviceId + " 的WebSocket连接");
            
            // 模拟连接检查
            return ProtocolResult.success("设备连接正常");
        } catch (Exception e) {
            return ProtocolResult.failure("设备连接检查失败: " + e.getMessage(), "WEBSOCKET_CONNECTION_ERROR");
        }
    }
    
    @Override
    public String getProtocolType() {
        return PROTOCOL_TYPE;
    }
    
    @Override
    public boolean initialize(Map<String, Object> config) {
        try {
            // 初始化WebSocket连接
            String endpoint = (String) config.get("endpoint");
            Integer pingInterval = (Integer) config.get("pingInterval");
            Integer reconnectInterval = (Integer) config.get("reconnectInterval");
            
            System.out.println("初始化WebSocket连接: " + endpoint + 
                ", 心跳间隔: " + pingInterval + "ms, 重连间隔: " + reconnectInterval + "ms");
            // 实际实现中需要创建WebSocket客户端连接
            
            this.initialized = true;
            return true;
        } catch (Exception e) {
            System.err.println("WebSocket初始化失败: " + e.getMessage());
            return false;
        }
    }
    
    @Override
    public void shutdown() {
        try {
            // 关闭WebSocket连接
            System.out.println("关闭WebSocket连接");
            // 实际实现中需要断开WebSocket客户端连接
            this.initialized = false;
        } catch (Exception e) {
            System.err.println("WebSocket关闭失败: " + e.getMessage());
        }
    }
}
